Washington tracking if Iran has activated 'sleeper cells' on US soil

Washington tracking if Iran has activated 'sleeper cells' on US soil

As the US-Israeli war against Iran escalates, fears are rising that covert agents lying low in Western countries could be activated to retaliate. US President Donald Trump said his administration is "on top" of the possibility of Iranian cells operating inside the United States, but has offered few details about the level of threat.

By FRANCE24